Which clues? They aren’t listed.
The answer is A i read the text and A sounds like a reasonable answer
Sodium and aluminum are in the same period, and therefore have similar chemical properties. It's B.
Answer:
it can benefit us in studying as they said Music makes our learning more enjoyable and it is a good buddy in memorization. ... A research found that listening with music before doing something can help us improve our attention, memory and last is our math ability (Doraiswamy, 2012).